it's a pocket telex from the early 80ies, you can read more about the device here: https://www.cryptomuseum.com/crypto/philips/px1000/index.htm https://www.cryp

it's a pocket telex from the early 80ies, you can read more about the device here: https://www.cryptomuseum.com/crypto/philips/px1000/index.htm https://www.cryptomuseum.com/crypto/philips/px1000/index.htm